
import numpy as np
import cv2
 


def main():
    img = cv2.imread('../../data/640x800.jpg')
    gray= cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
    
    sift = cv2.SIFT_create()
    kp = sift.detect(gray,None)
    
    img=cv2.drawKeypoints(gray,kp,img)
    
    cv2.imshow('img',img)
    cv2.waitKey(0)
    return
    

if __name__ == "__main__":
    main()
